Home / 356,140.53-491,474-194,995.62

Finding the Fourth Proportional to 356,140.53, 491,474 and 194,995.62

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Solution

The fourth proportional to 356,140.53, 491,474 and 194,995.62 is: 269,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,140.53 : 491,474 = 194,995.62 : x
  2. Step 2: Convert to fraction form
    356,140.53/491,474 = 194,995.62/x
  3. Step 3: Cross multiply
    356,140.53x = 491,474 × 194,995.62
  4. Step 4: Simplify right side
    356,140.53x = 95,835,277,343.88
  5. Step 5: Solve for x
    x = 95,835,277,343.88/356,140.53
  6. Step 6: Final answer
    x = 269,093.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.